Help: 4k 60hz RGB 444 10bit

New member here. Hopeful & glad I found this forum. I’ve been struggling to get 4k 60hz RGB 444 10bit working with my 2018 MacBook Pro running Windows 11 natively (no bootcamp partition at all) when connected to my LG C3 OLED tv. I’m desperate for some help. My MBP has an AMD Vega 20 Pro. I am able to get 4k 60hz RGB 444 10bit with my regular computer monitors connected via USB-C to Displayport adapters. So I know my gpu is able to output that resolution/color/bit depth. I have purchased over $500 in cables & adapters the past 2 wks trying to get this to work when connected to my LG C3, but the best I can get is 8bit. AMD Adrenalin shows the option for 8,10,12 bit RGB 444 but after selecting 10 or 12 the screen blacks out and reverts to 8bit. I am currently using a USB-C to HDMI 2.1 adapter from Cable Matters (201388-A) with the 7100 chip and updated firmware along with a cable matters 6ft HDMI 2.1 cable connected directly to one of my MBP thunderbolt 3 ports and to the TV’s HDMI port. Is there anything I can possibly do to get my LG C3 output 4k 60hz RGB 444 10bit by editing the EDID with CRU? Im very new to CRU & do not understand the majority of what can be edited. Looking for some guidance help to possibly get my LG working at 4k 60hz RGB 444 10bits… This is the 3rd forum I’ve tried reaching out for help with not a single reply from anyone in the previous attempts. Hopefully someone here will be gracious enough to help me out. Thank you advance.


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